South Valley Stream CDP, New York Demographics & Population 2026

Population Overview

South Valley Stream CDP is a small city located in New York. The total population is 6,177. It ranks as the 309th most populous out of 1,287 cities and towns in New York.

Age Demographics

The median age in South Valley Stream CDP is 43.9 years. This is 11% higher than the state median of 39.6 years. 12.8% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in South Valley Stream CDP is $138,783. This is 64% higher than the state median of $84,578. Compared to the national median of $78,538, household income here is 77% higher. The poverty rate stands at 12.7%. This is 7% lower than the state poverty rate of 13.7%. The unemployment rate is 6.7%. This is 7% higher than the state rate of 6.2%. The median home value is $641,300. Housing costs are 59% higher than the state median of $403,000. The home-value-to-income ratio is 4.6x. 77.9% of occupied housing units are owner-occupied. This homeownership rate is 43% higher than the state average of 54.3%.

Race & Ethnicity

South Valley Stream CDP is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Asian residents account for 24.3%. The Asian population is significantly higher than the state average (24.3% vs 8.8%).

Education

45.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 14% higher than the state rate of 39.6%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.3%.

Data Sources & Methodology

All demographic data for South Valley Stream CDP, New York is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against New York state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,287 Census-designated places in New York. For official data, visit data.census.gov.